I. First, build a good local area network, such as: home: hub - LAN (including gateway) two computers, one is dual network card company: router - switch - gateway, HUB (available) Router - Gateway, Switch - HUB (can be saved)
2: Sharing with Internet Connection Share (ICS)
1. Network settings
Client IP Mask Route DNServer 192.168.0.x 255.255.255.0 192.168.0.1 202.96.209.6 (or fully automatic acquisition)
Gateway IP Mask Route DNServer NIC A: 192.168.0.1 255.255.255.0 NIC B: 200.20.20.1 255.255.255.0 202.96.209.6 (NIC B and outside the network address, DNS is Shanghai, please set it into local ISP announced )
2. Gateway: Control Panel - Network Connection - Right-click on the ADSL Connection or UFP Address NIC - Property - Advanced - Check "Allows network other users to connect through this computer"